Saturated steam at 100 lb/in2 abs condenses on the outside of a horizontal 1-indiameter tube. The tube

Question:

Saturated steam at 100 lb/in2 abs condenses on the outside of a horizontal 1-indiameter tube. The tube wall temperature is maintained at 280oF. Calculate the heat-transfer coefficient and the condensate flow per unit length of tube. Take Tsat = 328oF and hfg = 889 Btu/lb.